ET100A [ver2] Synchronous WAN Ethernet Bridge 10/100Base-TX Ethernet over V.35, X.21, RS-232/530/449

Transcription

1 ET100A [ver2] Synchronous WAN Ethernet Bridge 10/100Base-TX Ethernet over V.35, X.21, RS-232/530/449

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3 CTC Union Technologies Co., Ltd. Neihu Technology Park Vienna Technology Center 8F, No. 60 Zhouzi St. Neihu, Taipei, 114 Taiwan ET100A Ethernet WAN Bridge, User Manual Version 2.1 July 24, 2014 Release This manual supports the following models: ET100A Ethernet WAN Bridge (manufactured after March 2014) All specifications subject to change without notice.

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5 Table of Contents OVERVIEW... 7 FEATURES... 7 SPECIFICATIONS... 8 THEORY OF OPERATION DIP SWITCH OPERATION SETTINGS WAN PORT PIN ASSIGNMENT...20 CABLE PIN ASSIGNMENTS: RS-530 CABLE, 25 CONDUCTOR ROUND, 1 TO 1, 1M RS-232 CABLE, 12 CONDUCTOR ROUND, 1M V.35 CABLE, MULTI-CONDUCTOR ROUND, 1M RS-449 CABLES, MULTI-CONDUCTOR ROUND, 1M X.21 CABLES, MULTI-CONDUCTOR ROUND, 1M APPLICATION EXAMPLES i

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7 Overview ET100A LAN-WAN Bridge The ET100A Network Bridge is a high performance, remote, self-learning Ethernet bridge. Its compact size and low cost make it ideal for cost-sensitive bridging applications, or as a LAN extender or segmenter over bit stream type infrastructures. Several selectable synchronous data interfaces, including V.35, RS-530, RS-449, X.21, and RS-232, make this Ethernet Bridge's connection between 10Base-T and 100Base-TX LAN and various SYNC data port interfaces convenient. Features Supports raw HDLC, Cisco HDLC, and PPP encapsulation 10BASE-T/100BASE-TX, Full Duplex or Half Duplex HP Auto-MDI/MDIX detects and corrects crossed cable Automatic address learning, aging and deletion after 5 minutes Forwarding and filtering rate at wire speed with through put latency of 1 frame. Auto padding of undersized packets to meet the minimum Ethernet packet size requirement 1763 packet buffer Ethernet interface has automatic Twisted Pair polarity correction Built-in nx64k / nx56k timing clock generator for WAN link for speeds up to 10mbps 256 MAC Table Ethernet flow control per IEEE802.3x 7

8 Specifications LAN WAN ET100A LAN-WAN Bridge Standard Fully compliant with IEEE 802.3/802.3u, 802.3x Connector Shielded RJ-45 Speeds 10BASE-T/100BASE-TX, Full or Half Duplex MTU 1536 bytes MAC Table 256 addresses Interface Protocol Buffer Connector Type Data Rates Clock Source General Power Environment Dimensions Weight LED INDICATORS SYNC (green) LINK (green) Rx (green) Tx (green) PWR (green) ERROR (red) ACT (green) LINK (green) Selectable RS-232(SYNC), V.35, RS-449/530, and X.21 Synchronous HDLC, PPP or Cisco HDLC 1763 Packets DB25 Male DTE port n x 64(56)Kbps, up to 10Mbps Internal or External AC Adapter; EUP 100~240VAC / 12VDC-1A Unit; DC9~12V/300mA Temperature: 0~50 o C Humidity: <90% non-condensing 135(L) x 80(W) x 25(H) mm 150g ON=WAN Protocol Up ON=receiving CTS and DSR signal ON=WAN receive data (blinking) ON=WAN transmit data (blinking) ON=Power OK OFF=system OK, 2 pulse=configuration error; 3 pulse=wan CRC OFF=No link; Blinking=receiving data ON=LAN linked; OFF=no link 8

9 Interface Select WAN SIDE DB25-Male DTE RS-530/449 V.35 X.21 RS-232 Serial Port Line Drivers LINK Tx LED Rx LED SYNC SYNC HDLC CONTROLLER Clock Source Ext. clock Int. clock ERROR Full Duplex Half Duplex FILTER ENGINE MAC Address Table Frame Buffer IEEE802.3u I/F LAN SIDE RJ-45 Clock Generator SYNC SPEED N56K to 1792K N64K to 10M ACT LINK LAN Link LED Figure 1: ET100A Functional Block Diagram 9

10 Unit Detail ET100A LAN-WAN Bridge Figure 2. ET100A Unit Detail 10

11 (1) DB25 Male Connector: This connector connects to the appropriate adapter cable for connection to the various supported data interfaces. The ET100A performs in DTE mode and its WAN port connector may be connected directly to a DCE device (such as a modem or DSU/CSU). (2) SYNC LED: Green, where ON indicates protocol is up. If OFF, first make sure physical link is up, then make sure protocol settings match. (3) LINK LED: Green, where ON indicates the presence of CTS / DSR signal on WAN connection. (4) RX LED: Green, on or flashing indicates receiving data on the WAN interface. (5) TX LED: Green, on or flashing indicates transmitting data on the WAN interface. (6) SW1: Configuration setting for the bridge. (Please refer to DIP SW setting table.) (7) SW2: Configuration setting for the bridge. (Please refer to DIP SW setting table.) (8) RJ-45 Ethernet LAN Port: This is an auto-mdi/mdix port for connection to the LAN. 11

12 (9) LINK LED: (LAN) Green, indicates the Ethernet has a link to an external device. (10) ACT LED: (LAN) Green, indicates data being received from the LAN connection. (11) ERROR LED: Red, indicates an error condition as follows: ON - System Error Pulse 2 - Configuration error Pulse 3 - WAN receive has CRC errors (12) PWR LED: Green on, when external power adapter is plugged in and AC power is supplied to it. (13) DC 9~12V This jack receives power from the external DC 12V AC power switching adapter. The center pin is positive voltage. 12

13 Theory of Operation A bridge is used to connect networks locally or remotely such that they appear to the user to be the same network. An Ethernet LAN bridge will connect two LAN segments at the Data Link Layer (ISO Layer 2). At this layer, the MAC (Media Access Control) addresses, are used for low level addressing to send information to devices. The bridge builds tables of MAC addresses for each network segment based on the source and destination addresses of the packets it receives and forwards, then filters the traffic not destined for the remote network. The Ethernet-WAN bridge will connect two remote Ethernet networks over bit stream interfaces such as that of synchronous modems or DSU/CSUs. One method to do this is to use HDLC, an international standard set by the ISO, a set of protocols for carrying data over a link with error and flow control. Another method uses PPP and a third uses Cisco HDLC. The ET100A utilizes both Ethernet Bridging and encapsulation to provide a connection between LANs over bit stream architectures. The LAN side of the ET100A receives an Ethernet packet and examines its destination MAC address. If it knows the MAC is on the local network then it simply drops the packet. Otherwise, if it knows the packet destination is on the remote side, or if it cannot be determined because its MAC cannot be found in the table, then it forwards it. During forwarding, the packet is processed for transmission across the WAN link. Here is where the Ethernet packet in encapsulated. 13

14 When the HDLC or PPP packet is received on the remote side unit's data port, the packet is checked for transmission errors, then the original Ethernet packet(s) is recovered and sent out the remote's LAN port completing the transmission. Here is the typical application of the ET100A. ET100A/V35 ET100A/V35 Figure 3. Typical application of ET100A LAN-WAN Bridge. Many times the ET100A is commonly referred to as an Ethernet to V.35, Ethernet to X.21, or Ethernet to Datacom 'converter'. As a sales/marketing term or non-technical reference, the term is OK. However, from a technical standpoint, the term is a misnomer. The Ethernet is not "converted" to V.35, it is run "over" the V.35 link. Conversion also implies that the interface can work both ways. This is NOT the case for the LAN-WAN Bridge as the following application shows. ET100A/V35 ET100A/V35 Figure 4. Application NOT ALLOWED for ET100A. 14

15 Why does the previous application not work? It won't work because the application requires a bit stream to be encapsulated into Ethernet packets, or into TCP/IP and then Ethernet, for transmission across the LAN. This requires more than just manipulation at the Data Link layer (ISO Layer 2), it requires programming to include all seven layers including the Application layer. Transmitting bit stream or TDM (time division multiplexed) data over Ethernet requires a device such as an IP-Multiplexer. Please refer to the "Applications" section at the end of this manual for additional application examples. 15

16 NC (Reserved for future use) ET100A LAN-WAN Bridge DIP Switch Operation Settings SW1 Operation Settings SW Function OFF ON HDLC ON OFF Cisco HDLC OFF OFF PPP OFF External WAN clock ON Internal WAN clock DTR follows DSR. OFF RTS follows CTS. DTR & RTS always ON ON LAN IEEE802.3x OFF Enable LAN IEEE802.3x ON Disable LAN OFF Auto-Negotiation Enable ON OFF OFF 100M/Full Duplex ON OFF ON 100M/Half Duplex ON ON OFF 10M/Full ON ON ON 10M/Half SW2 WAN Interface Settings Table 1: SW1 Operation Settings SW2 DIP 1 2 WAN INTERFACE TYPE OFF OFF V.35 ON OFF RS-530/RS-449/X.21 ON ON RS-232 Table 2: SW2 WAN Interface Type 16

17 SW2 WAN Speed Type ET100A LAN-WAN Bridge SW2 DIP 8 9 WAN SPEED TYPE OFF OFF 64K~2048K (N 64K) ON OFF 56K~1792K (N 56K) OFF ON 2176K~6144K (HS-1) ON ON 6272K~10240K (HS-2) SW2 WAN Clock Baud Rate Table 3: SW2 WAN Speed Type RATE SW2 DIP BAUD RATE NO N 64K N 56K HS-1 HS-2 1 OFF OFF OFF OFF OFF 64K 56K 2176K 6272K 2 ON OFF OFF OFF OFF 128K 112K 2304K 6400K 3 OFF ON OFF OFF OFF 192K 168K 2432K 6528K 4 ON ON OFF OFF OFF 256K 224K 2560K 6656K 5 OFF OFF ON OFF OFF 320K 280K 2688K 6784K 6 ON OFF ON OFF OFF 384K 336K 2816K 6912K 7 OFF ON ON OFF OFF 448K 392K 2944K 7040K 8 ON ON ON OFF OFF 512K 448K 3072K 7168K 9 OFF OFF OFF ON OFF 576K 504K 3200K 7296K 10 ON OFF OFF ON OFF 640K 560K 3328K 7424K 11 OFF ON OFF ON OFF 704K 616K 3456K 7552K 12 ON ON OFF ON OFF 768K 672K 3584K 7680K 13 OFF OFF ON ON OFF 832K 728K 3712K 7808K 14 ON OFF ON ON OFF 896K 784K 3840K 7936K 15 OFF ON ON ON OFF 960K 840K 3968K 8064K 16 ON ON ON ON OFF 1024K 896K 4096K 8192K 17 OFF OFF OFF OFF ON 1088K 952K 4224K 8320K 18 ON OFF OFF OFF ON 1152K 1008K 4352K 8448K 19 OFF ON OFF OFF ON 1216K 1064K 4480K 8576K 20 ON ON OFF OFF ON 1280K 1120K 4608K 8704K 21 OFF OFF ON OFF ON 1344K 1176K 4736K 8832K 22 ON OFF ON OFF ON 1408K 1232K 4864K 8960K 23 OFF ON ON OFF ON 1472K 1288K 4992K 9088K 24 ON ON ON OFF ON 1536K 1344K 5120K 9216K 25 OFF OFF OFF ON ON 1600K 1400K 5248K 9344K 26 ON OFF OFF ON ON 1664K 1456K 5376K 9472K 27 OFF ON OFF ON ON 1728K 1512K 5504K 9600K 28 ON ON OFF ON ON 1792K 1568K 5632K 9728K 29 OFF OFF ON ON ON 1856K 1624K 5760K 9856K 30 ON OFF ON ON ON 1920K 1680K 5888K 9984K 31 OFF ON ON ON ON 1984K 1736K 6016K 10112K 32 ON ON ON ON ON 2048K 1792K 6144K 10240K Table 4: SW2 WAN Clock Baud Rate 17

18 NOTE 1: When the ET100A is set to internal WAN clock, SW2-3 to SW2-9 provision the baud rate. If WAN clock is set external, these are ignored. NOTE 2: After changing the DIP switch setting, you must restart the device to activate the setting. When the ET100A leaves the factory, all DIP switch settings are set to the OFF position. Auto-negotiation: When this feature is enabled (SW1-6=OFF), the Speed (SW1-7) and Duplex (SW1-8) settings are ignored and are automatically determined from the LAN connection. When this feature is disabled (SW1-6=ON), the Duplex and Speed settings of the LAN follow the settings of SW1-7 and SW1-8. Use forced mode with caution to avoid Duplex Mismatch. Protocol Selection: The ET100A supports selecting one of three encapsulation protocols. When selecting HDLC, the encapsulation is per ISO The chdlc encapsulation is compatible with Cisco modified HDLC. The PPP encapsulation follows RFC1661 and is also a very popular encapsulation protocol. The protocol selection is controlled by the setting of DIP switches SW1-1 and SW1-2. Clock Selection: The ET100A inherently acts as a DTE device. A 1:1 cable is used to connect to a DCE device such as a modem, CSU/DSU or data multiplexer. Clock source comes from the DCE so the clock setting is usually external (SW1-4 OFF). The ET100A is also capable of acting as a DCE. In this case a 18

19 crossover cable is required and clock setting (SW1-4 ON) is internal. Data rate is then set by SW2, 3~9 and ET100A provides clock source. LAN Flow Control: The ET100A LAN port supports IEEE802.3x flow control, which can help to regulate the higher speed LAN traffic that hits the bottle neck of the slower WAN speed. Without flow control, the LAN packets that exceed the WAN speed will be dropped and the resulting timeout caused must be handled by the application layer. LAN Auto Negotiation: The ET100A LAN port supports auto-negotiation per IEEE802.3u. When auto negotiation is enabled and the LAN port connects to another auto negotiation compliant port, the LAN speed will be auto detected while the Duplex should be negotiated to Full Duplex. When connecting to legacy equipment, it may be necessary to 'force' the speed and Duplex on the LAN port. Care must be taken here to avoid a Duplex Mismatch condition when a 'forced' port connects to an 'auto' port. Without negotiation, an 'auto' port will revert to Half Duplex per the IEEE802.3u standard. A Duplex Mismatch condition could result in extremely poor network performance. WAN Interface Selection: The ET100A has selectable hardware interface circuits. When set to X.21/RS-530/RS-449, the logic, clock and handshaking signals all follow RS-422 electrical (balanced signals). When set to RS-232, all signals become single ended and follow RS-232D signal levels. When configured as V.35, the logic and clock signals follow RS-422 electrical, while handshaking signals are RS-232 electrical. 19

20 WAN Port Pin Assignment The following tables give the pin, circuit, function and signal direction as seen on the ET100A's DB25M connector for each of the selectable interfaces. RS-232 and RS-530 connections may be made directly. Adapter cables are required to match the physical connectors for V.35 (MB34), X.21 (DB15) and RS-449 (DB37). a. RS-232 INTERFACE PIN ASSIGNMENT (SYNC) PIN CIRCUIT FUNCTION DIRECTION EIA 2 TD Transmit data OUT BA 3 RD Receive data IN BB 4 RTS Request to send OUT CA 5 CTS Clear to send IN CB 6 DSR Data set ready IN CC 7 GND Signal ground AB 8 DCD Carrier detect IN CF 15 TC Transmit clock IN DB 17 RC Receive clock IN DD 20 DTR Data term ready OUT CD 24 XTC DTE xmit clock OUT DA Table 5: RS-232 Interface Pin Assignment SW2-1/2 ON/ON 20

21 b. V.35 INTERFACE PIN ASSIGNMENT PIN CIRCUIT FUNCTION DIRECTION CCITT 1 FGND Protective GND TD(A) Xmit data A OUT RD(A) Receive data A IN RTS Request to send OUT CTS Clear to send IN DSR Data set ready IN GND Signal ground DCD Data carrier detect IN RC(B) Receive clock B IN XTC(B) DTE Xmit clock B OUT TC(B) Xmit clock B IN TD(B) Xmit data B OUT TC(A) Xmit clock A IN RD(B) Receive data B IN RC(A) Receive clock A IN DTR Data terminal ready OUT XTC(A) DTE Xmit clock A OUT 113 Table 6: V.35 Interface Pin Assignment SW2-1/2 OFF/OFF 21

22 c. RS-449/RS-530 INTERFACE PIN ASSIGNMENT PIN CIRCUIT FUNCTION DIRECTION CCITT 1 FGND Protective GND SD(A) Xmit data A OUT RD(A) Receive data A IN RS(A) Request to send A OUT CS(A) Clear to send A IN DM(A) Data set ready A IN GND Signal ground RR(A) Data carrier detect A IN RT(B) Receive clock B IN RR(B) Data carrier detect B IN TT(B) DTE Xmit clock B OUT ST(B) Xmit clock B IN CS(B) Clear to send B IN SD(B) Xmit data B OUT ST(A) Xmit clock A IN RD(B) Receive data B IN RT(A) Receive clock A IN RS(B) Request to send B OUT TR(A) Data terminal ready A OUT DM(B) Data set ready B IN TR(B) Data terminal ready B OUT TT(A) DTE Xmit clock A OUT 113 Table 7: RS-449/RS-530 INTERFACE PIN ASSIGNMENT SW2-1/2 ON/OFF 22

23 d. X.21 INTERFACE PIN ASSIGNMENT PIN CIRCUIT FUNCTION DIRECTION CCITT 1 FGND Protective GND T(A) Xmit data A OUT R(A) Receive data A IN C(A) Request to send A OUT GND Signal ground I(A) Data carrier detect A IN S(B) Receive clock B IN I(B) Data carrier detect B IN T(B) Xmit data B OUT R(B) Receive data B IN S(A) Receive clock A IN C(B) Request to send B OUT 105 Table 8: X.21 INTERFACE PIN ASSIGNMENT SW2-1/2 ON/OFF 23

24 Cable Pin Assignments: RS-530 Cable, 25 conductor round, 1 to 1, 1m. (This cable may be used for RS-232 applications as well.) Part#:58-D2FD2M007, RS-530 Cable, DB25 Female <=> DB25 Male, 1 Meter DB25(Female) DB25(Male-DTE) PIN PIN Circuit Name 1 <===========> 1 Shield 7 <===========> 7 Signal Gnd 2 <===========> 2 BA - TD(A) 14 <===========>14 BA - TD(B) 3 <===========> 3 BB - RD(A) 16 <===========> 16 BB - RD(B) 4 <===========> 4 CA - RTS(A) 19 <===========> 19 CA - RTS(B) 5 <===========> 5 CB - CTS(A) 13 <===========> 13 CB - CTS(B) 6 <===========> 6 CC - DSR(A) 22 <===========> 22 CC - DSR(B) 20 <===========> 20 CD - DTR(A) 23 <===========> 23 CD - DTR(B) 8 <===========> 8 CF - DCD(A) 10 <===========> 10 CF - DCD(B) 15 <===========> 15 DB - TC(A) 12 <===========> 12 DB - TC(B) 17 <===========> 17 DD - RC(A) 9 <===========> 9 DD - RC(B) 24 <===========> 24 DA - XTC(A) 11 <===========> 11 DA - XTC(B) 21 <===========> 21 RL 18 <===========> 18 LL 25 <===========> 25 TM NOTE: "A" and "B" signals must be twisted pair 24

25 RS-232 Cable, 12 conductor round, 1m. (Use this cable for pure RS-232 applications.) Part#:58-xxxxxxxx, RS-232 Cable, DB25 Female <=> DB25 Male, 1 Meter DB25(Female) DB25(Male-DTE) PIN PIN Circuit Name 1 <===========> 1 Shield (AA) 7 <===========> 7 Signal Gnd (AB) 2 <===========> 2 TD (BA) 3 <===========> 3 RD (BB) 4 <===========> 4 RTS (CA) 5 <===========> 5 CTS (CB) 6 <===========> 6 DSR (CC) 8 <===========> 8 DCD (CF) 20 <===========> 20 DTR (CD) 15 <===========> 15 TC (DB) 17 <===========> 17 RC (DD) 24 <===========> 24 XTC (DA) 25

26 V.35 Cable, multi-conductor round, 1m. Part#:58-D2FM3M001, V.35 Cable, DB25 Female MB34 Male, 1 Meter NOTE: TWISTED PAIRS; P,S R,T U,W Y,AA V,X DB25(Female) MB34(Male-DTE) PIN PIN Circuit Name 2 <===========> P TD(A) 14 <===========> S TD(B) 3 <===========> R RD(A) 16 <===========> T RD(B) 4 <===========> C RTS 5 <===========> D CTS 6 <===========> E DSR 20 <===========> H DTR 8 <===========> F DCD 24 <===========> U XTC(A) 11 <===========> W XTC(B) 15 <===========> Y TC(A) 12 <===========> AA TC(B) 17 <===========> V RC(A) 9 <===========> X RC(B) 1 <===========> A Shield 7 <===========> B Signal Gnd 22 <===========> J RI 26

27 RS-449 Cables, multi-conductor round, 1m. Part#:58-D2FD3M003, RS-449 Cable, DB25 Female DB37 Male, 1M DB25(Female) DB37(Male-DTE) PIN PIN Circuit Name 1 <===========> 1 Shield 7 <===========> 19,37,20 Signal Gnd (the following are all twisted pairs) 2 <===========> 4 SD(A) 14 <===========> 22 SD(B) 3 <===========> 6 RD(A) 16 <===========> 24 RD(B) 4 <===========> 7 RS(A) 19 <===========> 25 RS(B) 5 <===========> 9 CS(A) 13 <===========> 27 CS(B) 6 <===========> 11 DM(A) 22 <===========> 29 DM(B) 20 <===========> 12 TR(A) 23 <===========> 30 TR(B) 8 <===========> 13 RR(A) 10 <===========> 31 RR(B) 24 <===========> 17 TT(A) 11 <===========> 35 TT(B) 15 <===========> 5 ST(A) 12 <===========> 23 ST(B) 17 <===========> 8 RT(A) 9 <===========> 26 RT(B) NOTE: "A" and "B" signals must be twisted pair 27

28 X.21 Cables, multi-conductor round, 1m. Part#:58-xxxxxxxx, X.21 Cable, DB25 Female DB15 Male, 1M DB25(Female) DB15(Male-DTE) PIN PIN Circuit Name 1 <===========> 1 Shield 7 <===========> 8 Ground 2 <===========> 2 T(A) 14 <===========> 9 T(B) 3 <===========> 4 R(A) 16 <===========> 11 R(B) 4 <===========> 3 C(A) 19 <===========> 10 C(B) 5,6 <===========> 5 I(A) 13,22 <===========> 12 I(B) 15,17 <===========> 6 S(A) 12,9 <===========> 13 S(B) NOTE: "A" and "B" signals must be twisted pair 28

29 Application Examples In the following example, the ET100A is configured for bridging over an E1 (or T1) carrier provider's network. The ET100A's interface is set to V.35 to match the CSU/DSU unit. The CSU/DSU may be set unframed or may be set to use a fraction (n x 56 or n x 64) of the E1 (or T1) line. The CSU/DSU timing is received from the carrier provider's network so the ET100A's timings for Tx and Rx clocks should be set to external. In this configuration, the rate DIP settings of the ET100A are ignored. ET100A/V35 ET100A/V35 Figure 5: Bridging over E1 services 29

30 APPLICATIONS In the next example, the ET100A is setup to bridge over a PSTN's leased line. The ET100A's speed settings depend upon the speed of the leased line and the settings of the modems. The timing scheme recommended is this application is for the Tx and Rx Clocks of each unit to be set to External while the clocks of the modems are set to Internal for both or Internal for one and Loop for the other. ET100A/232 ET100A/232 Figure 6: Bridging over Synchronous leased line. 30

31 APPLICATIONS In the following example, the ET100A is paired with a G703/64K interface converter to provide connection over G Kbps services. If the G.703 transmit and receive clocks are provided by the central carrier, each G703/64K converter will be set to centra-directional line timing. Both ET100A's will have their Tx / Rx clocks set external. Figure 7: ET100A bridge over G K services. 31

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33 CTC Union Technologies Inc Attn : Technical Support Department From Company: Name: Tel: ( ) Fax:( ) Fax:(886) Tel:(886) techsupport@ctcu.com Taipei Taiwan MODEL: ET100A ACTIVITY: As attached in DIP switch setting table SYS CONFIGURATION: Question

34 Technical Inquiry Form MODEL No.: ET100A Please fill in the DIP switches configuration with ' ' marks into the following table. Send it to us by fax, and we will reply to you immediately. SW NO. DIP FUNCTION SW1 1 Protocol Selection 2 Protocol Selection 3 WAN Clock Source 4 CTS/DSR - DCD 5 LAN Flow Control (802.3x) 6 Auto / Forced 7 10M / 100M 8 Full / Half Duplex (manual) 9 NA (reserved) SW2 1 WAN I/F Type 2 WAN I/F Type 3 WAN Clock Rate (Internal) 4 WAN Clock Rate (Internal) 5 WAN Clock Rate (Internal) 6 WAN Clock Rate (Internal) 7 WAN Clock Rate (Internal) 8 WAN Clock Rate (Internal) 9 WAN Clock Rate (Internal) Your Setting CTC Suggestion ON OFF ON OFF Additional comments/questions:

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